SOLVED: iPhone 6 Blurred Screen after Water Damaged

Customer said that this iPhone 6 turns off, then reboots you find the touch screen shows blurred after dropping into water. It is quite confused, the iphone background wallpaper seems to go black and slightly blurry. When it is happened, don' t worry, believe vipprog that your iphone will back well.
Repair Process:
1. As it gets some water in, after receiving it, I tear it down and remove the battery. I still found some water in it and waterproof label is discolored.

2. After cleaning the obvious water, I find that the area around the screw hole at the corner of motherboard is eroded.

3. Remove the shield cover and find that one end of resistor has white tin while the other turns black, which is obviously eroded.

4. Checking the bitmap, I know that the number of this resistor is R0706.

5. Open circuit diagram and search R0706 to find its location. It is a 1k? pull-up resistor starting from CPU to front camera’s I2C bus clock signal. Remove the resistor from the same place at accessories pad and solder it on the faulty motherboard. Turn it on and the problem disappears. I have to remind every reader that if this kind of I2C resistor is damaged, it will lead to root error report and turn on failure. Please be careful during the repair process.


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